I don't think so. Way back in the early 19th century, it was already the birthplace of post-Christian "churches" like the Unitarian Universalists, bizarre cults like Mormonism, and pantheistic philosophies like Transcendentalism.
See what I mean, iowa?
Good point - and a graphic example of how religious beliefs (especially those that claim religion and politics shouldn't mix) influence political actions. Worth noting is that the movements (and more) that you mention all began or took root within a single geographic region, namely the Hudson River Valley. This region is sometimes referred to as the "burned over district" by religious historians. Unitarianism, Mormonism, Seventh-Day Adventism, Restorationism, and a number of other movements (including Charles Finney's "Second Great Awakening" revivals) all sprang up or hit this same area within a span of a few decades. Finney himself coined the phrase "burned over district", evoking the image of forest fires exhausting an area of all flammable material, because it's inhabitants were repeatedly exposed (and became resistant) to his revivals.
This part of western New York became famous after the Erie Canal for its history of revivalism, radicalism, communitarian experiments. It was fertile ground for new ideas to take root and spread to other parts of the country. It became a "psychic highway" for New Englanders who left the East and headed West in search of new ways of life....-- Excerpt from The Burned Over District